package com.itheima.interceptor;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class MyHandlerInterceptor implements HandlerInterceptor {

//    private Logger logger = LoggerFactory.getLogger(MyHandlerInterceptor.class);

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
//        logger.info("{}执行了","预处理回调方法");
        System.out.println("预处理回调方法执行了");
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
//        logger.info("{}执行了","后处理回调方法");
        System.out.println("后处理回调方法执行了");
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
//        logger.info("{}执行了","请求完成回调方法");
        System.out.println("请求完成回调方法执行了");
    }
}
